Hawa Valves has extensive experience in manufacturingÂ Butterfly valves for the hydrocarbon, energy and processÂ industries.
Size:Â 2Ã¢ÂÂ up to 88Ã¢ÂÂ (DN 50 up to DN 2200)
Pressure Rating:Â ASME 150# to 900#
Materials:Â Carbon Steels, Low Temperature Carbon Steel,Â Martensitic Steels, Austenitic Stainless Steel, DuplexÂ Stainless Steels, Super Duplex Stainless Steels, NickelÂ Alloys, Nickel Aluminum Bronze, Hastelloy, Inconnel,Â Titanium Alloy & Carbon Steel with Internal Corrosion Resistant Alloy (CRA) Overlay
Design Standard:Â API 609 MESC SPE 77 / 134, BS 5353Â BSEN593, ANSI AWWA C504-94
Pressure / Temperature Rating:Â ASME B 16.34
Test (Inspection) Standard:Â API 598, API 6D, MESCÂ 77/134, ISO 5208
Operation:Â Lever, Gear, Actuator (Pneumatic, Hydraulic,Â Electro-Hydraulic and Electric Motorised)
Butterfly Valves are available in four different typesÃ¢ÂÂÂ versions :
Ã¢ÂÂ¢ Double Offset
Ã¢ÂÂ¢ Triple Offset
Ã¢ÂÂ¢ Centre Disc
Ã¢ÂÂ¢ Extended Stem
Almost all HAWA Butterfly Valve can be designed in aÂ special version suitable for cryogenic service. In this case,Â all the materials and technical features are designed toÂ withstand minimum design temperature required by theÂ Customer. If required by the customer, specific CryogenicÂ Tests are performed to verify the behaviour of valvesÂ sealing capability, emissions vs the ambient.